condition	mean	min	max
4 h after light	15.02925	14.3593	15.6992
8 h after light	14.933050000000001	14.6437	15.2224
12 h after light	11.80845	10.9105	12.7064
4 h after dark	15.66865	14.922	16.4153
8 h after dark	14.754999999999999	14.6205	14.8895
12 h after dark	15.719850000000001	15.5172	15.9225